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iOS version history. iOS is a mobile operating system developed by Apple Inc. and was first released as iPhone OS in June 2007, coinciding with the launch of the first generation iPhone. [1] iPhone OS was renamed iOS following the release of the iPad, starting with iOS 4. [2] With iOS 13, Apple began offering a separate operating system, iPadOS ...
SHSH blobs are created by a hashing formula that has multiple keys, including the device type, the iOS version being signed, and the device's ECID. [5] [non-primary source needed] When Apple wishes to restrict users' ability to restore their devices to a particular iOS version, Apple can refuse to generate this hash during the restore attempt, and the restore will not be successful (or at ...
This feature is only available on third-generation devices—iPhone 3GS, third-generation iPod Touch (iOS 4.0 or newer), and all iPad models (since iPhone OS 3.2)—or newer. [ citation needed ] iOS 7 introduced a parallax effect on the Home Screen, which shifts the device's wallpaper and icons in response to the movement of the device ...
Drops support for the iPhone (1st generation), iPod Touch (1st generation) and, from iOS 4.3 onwards, for the iPhone 3G and iPod Touch (2nd generation). iOS 4 is the fourth major release of the iOS mobile operating system developed by Apple Inc., being the successor to iPhone OS 3. It was announced at the Apple Special Event on April 8, 2010 ...
The iPhone 4 is a smartphone that was designed, developed, and marketed by Apple Inc. It is the fourth generation of the iPhone lineup, succeeding the iPhone 3GS and preceding the iPhone 4s. Following a number of notable leaks, the iPhone 4 was first unveiled on June 7, 2010, at Apple's Worldwide Developers Conference in San Francisco, [7] and ...
Batterygate[ 1][ 2][ 3] is a term used to describe deliberate processor slowdowns on Apple 's iPhones, in order to prevent handsets with degraded batteries shutting down when under high load. Critics argued the slowdown amounted to planned obsolescence, however this may stem from the common misconception that all older iPhones were slowed down.
Upgrading to iPhone OS 3 was free for iPhone. Upgrading to iPhone OS 3 originally cost iPod Touch users $9.95; [9] updating to 3.1.x from 2.x cost only $4.95. [10] [11] iPhone OS 3 was the last major version of iOS for which there was a charge for iPod Touch users to upgrade. Starting with iOS 4, iOS upgrades became free for all users ...
Obsolete, unsupported. [citation needed] iOS 5 is the fifth major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 4. It was announced at the company's Worldwide Developers Conference on June 6, 2011, and was released on October 12, 2011. It was succeeded by iOS 6 on September 19, 2012.